18494371

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 21625344

約数和(自身を除く): 3130973

約数列:

[1, 7, 103, 113, 227, 721, 791, 1589, 11639, 23381, 25651, 81473, 163667, 179557, 2642053, 18494371]

約数ペア:

[(1, 18494371), (7, 2642053), (103, 179557), (113, 163667), (227, 81473), (721, 25651), (791, 23381), (1589, 11639)]